Cultivator-disk mounting.



G. W. HOAR.

CULTIVATOR DISK MOUNTING. APPLICATION FILED MAR. 20, 191s.

Patented Nov. 7,1916.

' GUY w. norm, or BONESTEEL, SOUTH DAKOTA.

GULTIVATOR-DISK MOUNTING.

mower.

Specification of Letters Patent.

Application filed March 20, 1916. Serial No. 85,465.

To all whom it may concern Be it known that I, GUY WV. HOAR, a citizen of the United States, residing at Bonesteel, in the county of Gregory and State of South Dakota, have invented certain new and useful Improvements in Cultivator-Disk Mountings, of which the following is a specification, reference being had to the accompanying drawings. V

This invention relates to an improved cultivator disk mounting and has for its primay object to provide a very simply constructed adjustable bearing standard for the cultivator disk, whereby the position of the disk may be readily changed or adjusted to throw the earth either inwardly toward the center of the machine or outwardly to one side thereof.

It is a more particular object of the invention to provide a disk mounting including two standard sections, one of which is adapted to be suitably mounted upon a rotatable shaft and the other section longitudinally adjusted and securely clamped to said first named section, and means for adjustably mounting the disk carrying shaft on the lower end of the latter standard section.

It is a further general object of the invention to improve and simplify cultivator disk mountings of the above character and render the same strong and durable in practical use and capable of easy and quick adjustment, as varying conditions may require.

lVith the above and other objects in view, my invention consists in the novel features of construction, combination and arrange ment of parts to be hereinafter more fully described, claimed and illustrated in the accompanying drawing, in which,

Figure 1 is a side elevation showing a portion of the frame of thecultivator, and illus' trating the preferred embodiment of my improved disk mounting; Fig. 2 is an elevation looking at right angles to Fig. 1; Fig. 3 is a section taken on the line 3-3 of Fig. 2; Fig.

- a is a section taken on the line 44 of Fig.

2; and Fig. 5 is a detail plan view of the clamping plate for the disk shaft.

Referring in detail to the drawing, 5 designates a rock shaft which is suitably mounted in the frame of the machine, said shaft being provided with a square portionupon one side of which the recessed upper end of a standard section 6 is adapted to be engaged. A plate 7 is fitted upon the opposite side of as at 12.

Patented Nov. 7, 1916.

the shaft and said plate securely bolted or clamped in position and connected to the standard by means of the bolts indicated at 8. The standard section 6 is formed with a longitudinal channel or groove 9, and upon the base wall thereof spaced, longitudinally extending teeth or corrugations 10 are provided.

The lower section 11 of the standard is of cylindricalform and hasits upper end split, This split end of the standard section'is also provided upon one side with longitudinally extending, spaced teeth 13 for interlocking engagement with the teeth 10 of the standard section 6. An eye-bolt 1a is engaged upon the split end of the standard section 11 and has its shank disposed through an opening in the lower end of the standard section 6. An eye-bolt 2 1 has its shank disposed through a central opening 25 in the disk or plate 21, the bottom face of said plate being recessed to receive the bolt eye in which the disk axle 20 is mounted, as clearly shown in Fig. 4. The shank of the eye-bolt also extends through a central opening 18 in the plate 16, a suitable nut iridicated at 15 being engaged upon the threaded extremity of said bolt. By tightening this nut, the split portions of the standard section 11 may be drawn together and the teeth 13 thereon held in tight frictional engagement with the teeth 10, thus effectually preventing any rota-tio'n of the lower standard section 11 or longitudinal shifting movement thereof with respect to the section 6.

The lower end of the standard section 11 is formed with a laterally projecting plate 16 provided upon its bottom face with a circularly arranged series of teeth 17. A ver tically disposed opening 18 is formed in this plate for a purpose to be presently named.

19 designates the cultivator disk which is suitably journaled upon a shaft 20, the disk bearing being preferably provided with lubricating means. A circular disk or plate 21 is provided in its bottom face with a concave seat 22 for engagement upon the upper side of the disk axle or shaft 20, and in the upper face of this plate 21 the radially extending teeth 23 are formed for interlocking engagement with the teeth 17 of the plate 16. A nut 26 is threaded upon the upper end of the bolt and is adapted to tighten against the upper face of the plate 16 to securely clamp the toothed face of the plate 21 against the bottom face of the plate '16 and into interlocking engagement cultivator disk 19 swung to various angular positions in order that the earth may be thrown in the proper direction by the disk in the movement of the machine.

From the foregoing description, taken in connection with the accompanying drawing, the construction and manner of operation of the device will be fully and clearly understood. By simply loosening the clip bolt 14, the lower cylindrical standard section 11 may be raised or lowered and properly adjusted with respect to the upper standard section, thereby disposing the cultivator disk 19 in the desired position with respect to the ground. It will be apparent that any desired number of disks may be provided upon the machine and. my improved disk mounting employed in connection with harrows or cultivators of various types. The device is exceedingly simple, strong and durable, and capable of application to the ordinary disk cultivator without requiring any material alterations therein.

l/Vhile I have shown and described the preferred construction and arrangement of the several elements, it is to be understood that the device is susceptible of considerable modification therein and I, therefore, reserve the privilege of adopting all such legitimate changes as may be fairly embodied within the spirit and scope of the invention as claimed.

Having thus fully described my invention, what I desire to claim and secure by Letters Patent is 1.. A cultivator disk mounting including a relatively stationary upper standard section provided with a longitudinal channel, a lower standard section having a longitudinally split upper end engaged in the channel of said upper section, means mounted in said upper standard section to embrace the lower standard section and contract the split portions thereof, said standard sections being provided with means for interlocking engagement with each other to prevent rotation of the lower standard section "with re spect to the upper section, and means for mounting a cultivator disk axle upon said lower standard section.

2. A cultivator disk mounting including a relatively stationary upper standard section provided with a longitudinal channel, a lower standard section having a longitudinally split upper end engaged in the channel of said upper section, means mounted in said upper standard section to embrace the lower standard section and contract the split portions thereof, said standard sections being provided with means for interlocking engagement with, each other to prevent rotation of the lower standard section with respect to the upper section, said lower standard section being provided upon its lower end with a laterally projecting plate, a cultivator disk axle, a clamping plate seated upon said axle, an eye-bolt to receive the disk axle, the bottom face of said plate being recessed to receive the eye of the bolt, the bolt shank extending upwardly through said plate and in a coinciding opening in the plate on the lower standard section, said plates being provided upon their opposed faces with interlocking teeth, and a clamping nut threaded upon the upper end of the bolt.

3. A disk mounting for Cultivators including a relatively stationary upper standard section having a longitudinally extending channel and longitudinal spaced teeth formed on the wall of said. channel, a lower shaft section fitted into said channel and also having longitudinal teeth formed there on for interlocking engagement with the teeth. on the wall of said channel, an eyebolt engaged upon the lower standard sec tion and. having its end disposed. through an opening in the upper section and provided with a tightening nut, and means for detachably and adjustably mounting a disk axle upon the lower standard section to angularly position the cultivator disk with respect to the standard.

In testimony whereof I hereunto aflix my signature in the presence of two witnesses. GUY HOA R.

lVitnesses IRVING D. LINDLEY, S. M. LINDLEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of latents, Washington, D. G. 

